n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 14 |
5 | 42 |
6 | 127 |
7 | 406 |
8 | 1384 |
9 | 4674 |
10 | 16231 |
11 | 57908 |
12 | 207172 |
13 | 759480 |
14 | 2799649 |
15 | 10388278 |
16 | 39267427 |
17 | 148491557 |
18 | 566578382 |
19 | 2183452049 |
20 | 8421213079 |
21 | 32796434160 |
22 | 128237720641 |
23 | 502717621685 |
24 | 1986380784640 |
25 | 7859822136004 |
26 | 31232721688184 |
27 | 124731244842505 |
28 | 498653956893148 |
29 | 2003101284597936 |
[1,1,2,5,14,42,127,406,1384,4674,16231,57908, 207172,759480,2799649,10388278,39267427,148491557, 566578382,2183452049,8421213079,32796434160, 128237720641,502717621685,1986380784640, 7859822136004,31232721688184,124731244842505, 498653956893148,2003101284597936] |